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Effects of dietary Bacillus subtilis supplementation and calcium levels on performance and eggshell quality of laying hens in the late phase of production
The objective of this study was to evaluate the effects of dietary Bacillus subtilis supplementation and calcium (Ca) levels on performance, eggshell quality, intestinal morphology, and relative calbindin-D28k (CALB1) mRNA level of laying hens in the late phase of production. An experiment employing...
Autores principales: | Wang, Jing, Wang, Wei-wei, Qi, Guang-hai, Cui, Chuang-fei, Wu, Shu-geng, Zhang, Hai-jun, Xu, Li |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7936213/ https://www.ncbi.nlm.nih.gov/pubmed/33518333 http://dx.doi.org/10.1016/j.psj.2020.12.067 |
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